|Tie no|Home team|Score|Away team|Attendance|
|---|---|---|---|---|
|1|IFK Västerås (D2)|3–2|IK Sleipner (D2)|875|
|2|Kramfors IF (N)|2–4 (aet)|BK Kenty (D3)|2,808|
|3|Reymersholms IK (D2)|5–2|Åtvidabergs FF (D2)|1,504|
|4|Wifsta/Östrands IF (N)|4–3|Ludvika FfI (D2)|974|
|5|Råå IF (D3)|3–2|Sandvikens IF (D3)|2,116|
|6|Sandvikens AIK (D2)|2–3 (aet)|Tidaholms GIF (D2)|822|
|7|Karlstads BIK (D2)|2–5|IF Friska Viljor (N)|1,550|
|8|Sandviks IK (N)|2–3|Surahammars IF (D2)||

Question: what is the difference in attendance in tie no 1 and 4?
Answer: 99